Experimental oral infection of calves with Mycobacterium johnei.
D000818:Animals; D001431:Bacteriological Techniques; D002417:Cattle; D007410:Intestinal Diseases / Q000209:etiology; D009161:Mycobacterium / Q000472:pathogenicity; D009164:Mycobacterium Infections / Q000209:etiology*; D010283:Paratuberculosis; D013158:Splenic Diseases; D014374:Tuberculin Test